CN215058977U

CN215058977U - Rigid coupling

Info

Publication number: CN215058977U
Application number: CN202023179893.0U
Authority: CN
Inventors: 金怀跃; 黄正广
Original assignee: Anhui Jinshi Auto Parts Co ltd
Current assignee: Anhui Jinshi Auto Parts Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-12-07
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a rigid coupling, including last axis body, the terminal surface left and right sides is equipped with the second draw-in groove under the upper shaft body, the second draw-in groove left and right sides is equipped with first extrusion groove, the one end fixedly connected with second pressure spring of second draw-in groove is kept away from in the extrusion groove, the upper shaft body middle part left and right sides is equipped with second extrusion groove, the upper shaft body upper portion left and right sides all is equipped with the mounting groove, second extrusion groove with the mounting groove intercommunication, first pressure spring is close to the first stopper of the one end fixedly connected with of mounting groove, first stopper block is connected with the extrusion cover, one side that first stopper was kept away from to the extrusion cover is equipped with the spout, the terminal surface block is connected with down the axis body under the upper shaft body, the axis body middle part is equipped with the keyway down. The utility model relates to a rigid coupling field, this rigid coupling have solved current rigid coupling bolt installation and have dismantled inconvenient, consume the manpower, expand tight cover and screw up the problem that the installation drops easily for a long time.

Description

Rigid coupling

Technical Field

The utility model relates to a rigid coupling field specifically is a rigid coupling.

Background

The expansion sleeve is also called an expansion coupling sleeve, the expansion sleeve is called an expansion sleeve for short, is a modern novel advanced mechanical basic part, is arranged on a shaft in a friction connection mode, a driving shaft and a driven shaft can be connected only by screwing a pressure bolt on one side by changing a sleeve and a hub on one side into a through bolt structure, and the rigid coupling has the advantages of light weight, ultralow inertia and high sensitivity and is called an expansion sleeve type high-rigidity coupling integrally arranged with the expansion sleeve.

The rigid coupling can basically meet the use requirements of people, but certain problems still exist, most of high-rigidity couplings in the current market are installed through bolts, and the installation mode is inconvenient for operators to disassemble and install during overhauling and maintenance; when the expansion sleeve is installed, the expansion sleeve is screwed up through the bolt, and the thread is easy to slip to cause the expansion sleeve to fall off after long-time rotation.

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a rigid coupling has solved the problem that current rigid coupling bolt installation is dismantled inconveniently, consumes the manpower, the tight cover that expands is screwed up the installation and is dropped off easily for a long time.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a rigid coupling, includes the upper shaft body, the terminal surface left and right sides is equipped with the second draw-in groove under the upper shaft body, the second draw-in groove left and right sides is equipped with first extrusion groove, the one end fixedly connected with second pressure spring of second draw-in groove is kept away from in the extrusion groove, the upper shaft body middle part left and right sides is equipped with second extrusion groove, the upper shaft body upper portion left and right sides all is equipped with the mounting groove, second extrusion groove with the mounting groove intercommunication, the first pressure spring of one end fixedly connected with of mounting groove is kept away from in second extrusion groove, the first stopper of one end fixedly connected with that first pressure spring is close to the mounting groove, first stopper block is connected with the extrusion cover, one side that first stopper was kept away from to the extrusion cover is equipped with the spout, the terminal surface block is connected with down the axis body under the upper shaft body, the axis body middle part is equipped with the keyway down.

Preferably, the left and right sides of the upper end face of the lower shaft body are fixedly connected with clamping blocks, the left and right sides of the middle part of each clamping buckle are provided with first clamping grooves, one end of each second pressure spring, which is close to the corresponding second clamping groove, is fixedly connected with a second limiting block, one end of each second limiting block, which is close to the corresponding second pressure spring, is fixedly connected with a traction rope, fixing nails are arranged on the left and right sides of the inner part of the upper shaft body, the traction ropes are movably connected with the fixing nails, one end of each traction rope, which is far away from the corresponding second pressure spring, is fixedly connected with a pull ring, and the pull rings are slidably connected with the upper shaft body.

Preferably, the lower end face of the extrusion sleeve is fixedly connected with an extrusion block, and a through hole is formed in one side, close to the first pressure spring, of the extrusion sleeve.

Preferably, the sliding groove is connected with a sliding block in a sliding mode, the sliding block is fixedly connected with a loop bar, the loop bar is connected with a lead screw in a transmission mode, the upper end face of the lead screw is fixedly connected with a mounting seat, and the mounting seat is rotatably connected with an expansion sleeve.

Preferably, the inner cavity wall of the sleeve rod is provided with threads corresponding to the screw rod.

Preferably, the haulage rope adopts the nylon wire material.

(III) advantageous effects

The utility model provides a rigid coupling. The method has the following beneficial effects:

(1) the rigid coupling, through the pulling pull ring, second stopper extrusion second pressure spring, the second stopper contracts to first extrusion groove, inserts the fixture block in the second draw-in groove cavity wall, loosens the pull ring, and the second stopper inserts in the first draw-in groove, will go up the axis body and fix with lower axis body to it is fixed with lower axis body more convenient quick with the upper shaft body.

(2) The rigid coupling is connected with a sliding block through sliding in the sliding groove, the sliding block is fixedly connected with a loop bar, the loop bar is connected with a lead screw in a transmission mode, the upper end face of the lead screw is fixedly connected with a mounting seat, the mounting seat is connected with an expansion sleeve in a rotating mode, the mounting seat is screwed to drive the lead screw to rotate, the loop bar moves up and down, a first limiting block is extruded, the first limiting block is inserted into the through hole, and therefore the expansion sleeve is fixedly connected to the upper shaft body more conveniently.

Drawings

FIG. 1 is a schematic view of the uninstalled structure of the present invention;

FIG. 2 is a schematic view of the structure of the uninstalled half section of the present invention;

FIG. 3 is a schematic view of the installation structure of the extrusion sleeve and the screw rod of the present invention;

fig. 4 is a schematic view of the installation structure of the present invention.

In the figure: 1. an upper shaft body; 2. a lower shaft body; 3. expanding and tightening the sleeve; 4. a mounting seat; 5. a clamping block; 6. a first card slot; 7. a keyway; 8. a second limiting block; 9. a screw rod; 10. a loop bar; 11. a slider; 12. a chute; 13. a first stopper; 14. a first pressure spring; 15. extruding a sleeve; 16. extruding the block; 17. a pull ring; 18. fixing nails; 19. a hauling rope; 20. a second pressure spring; 21. a second card slot; 22. a through hole; 23. mounting grooves; 24. a first extrusion groove; 25. a second extrusion groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a rigid coupling, including last axis body 1, the terminal surface left and right sides is equipped with second draw-in groove 21 under 1 axis body, the second draw-in groove 21 left and right sides is equipped with first extrusion groove 24, the one end fixedly connected with second pressure spring 20 of second draw-in groove 21 is kept away from in first extrusion groove 24, the 1 middle part left and right sides of last axis body is equipped with second extrusion groove 25, the 1 upper portion left and right sides of last axis body all is equipped with mounting groove 23, second extrusion groove 25 and mounting groove 23 intercommunication, the first pressure spring 14 of one end fixedly connected with of mounting groove 23 is kept away from in second extrusion groove 25, first stopper 13 of one end fixedly connected with that first pressure spring 14 is close to mounting groove 23, first stopper 13 block is connected with extrusion cover 15, one side that first stopper 13 was kept away from to extrusion cover 15 is equipped with spout 12, the 1 lower terminal surface block of last axis body is connected with down

axis body

2, 2 middle part is equipped with keyway 7 down.

In this embodiment, 2 up end left and right sides fixedly connected with fixture block 5 of lower axis body, 5 middle part left and right sides of fixture block are equipped with first draw-in groove 6, one end fixedly connected with second stopper 8 that second pressure spring 20 is close to second draw-in groove 21, one end fixedly connected with haulage rope 19 that second stopper 8 is close to second pressure spring 20, the 1 inside left and right sides of upper shaft body is equipped with staple 18, haulage rope 19 and 18 swing joint of staple, haulage rope 19 keeps away from the one end fixedly connected with pull ring 17 of second pressure spring 20, pull ring 17 and 1 sliding connection of upper shaft body. Through pulling pull ring 17, second stopper 8 extrudes second pressure spring 20, and second stopper 8 contracts to first extrusion groove 24, inserts fixture block 5 cavity wall in the second draw-in groove 21, loosens pull ring 17, and second stopper 8 inserts in first draw-in groove 6, will go up axis body 1 and lower axis body 2 fixed to it is fixed with the lower axis body more convenient quick.

In this embodiment, the lower end surface of the extrusion sleeve 15 is fixedly connected with an extrusion block 16, and a through hole 22 is formed in one side of the extrusion sleeve 15 close to the first pressure spring 14.

In this embodiment, 12 sliding connection of spout has slider 11, and slider 11 fixedly connected with loop bar 10, loop bar 10 transmission are connected with lead screw 9, and lead screw 9 up end fixedly connected with mount pad 4, mount pad 4 rotate and are connected with the tight cover 3 that expands. Through there being slider 11 at 12 sliding connection of spout, slider 11 fixedly connected with loop bar 10, loop bar 10 transmission is connected with lead screw 9, and lead screw 9 up end fixedly connected with mount pad 4, mount pad 4 rotate and are connected with the tight cover 3 that expands, twist and move mount pad 4 and drive lead screw 9 and rotate, and loop bar 10 up-and-down motion extrudes first stopper 13, makes first stopper 13 insert the through-hole to more convenient tight cover 3 fixed connection that will expand is at last axis body 1.

In this embodiment, the inner cavity wall of the loop bar 10 is provided with a thread corresponding to the screw rod 9.

In this embodiment, the hauling cable 19 is made of steel wire.

During operation, at first stimulate pull ring 17, 19 pulling second stoppers 8 of haulage rope, stimulate pull ring 17, second stoppers 8 extrudes second pressure spring 20, second stoppers 8 shrink to first extrusion groove 24, insert fixture block 5 into the inner chamber wall of second draw-in groove 21, loosen pull ring 17, second stoppers 8 inserts in first draw-in groove 6, it is fixed with lower axis body 2 with last axis body 1, it drives lead screw 9 and rotates to twist mount pad 4, loop bar 10 up-and-down motion, extrude first stoppers 13, make first stoppers 13 insert the through-hole, will expand tight cover 3 fixed connection at last axis body 1, after the work is accomplished, reverse twist mount pad 4, compress first stoppers 13, take off the tight cover 3 that expands, stimulate pull ring 17 once more, second stoppers 8 compress, thereby take off axis body 2. Whole device is through pulling pull ring 17, and second stopper 8 extrudees second pressure spring 20, and second stopper 8 contracts to first extrusion groove 24, inserts the cavity wall in second draw-in groove 21 with fixture block 5, loosens pull ring 17, and second stopper 8 inserts in first draw-in groove 6, will go up axis body 1 and lower axis body 2 fixed to it is fixed with lower axis body more convenient quick will go up the axis body. Through there being slider 11 at 12 sliding connection of spout, slider 11 fixedly connected with loop bar 10, loop bar 10 transmission is connected with lead screw 9, and lead screw 9 up end fixedly connected with mount pad 4, mount pad 4 rotate and are connected with the tight cover 3 that expands, twist and move mount pad 4 and drive lead screw 9 and rotate, and loop bar 10 up-and-down motion extrudes first stopper 13, makes first stopper 13 insert the through-hole to more convenient tight cover 3 fixed connection that will expand is at last axis body 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rigid coupling comprising an upper shaft body (1), characterized in that: the left side and the right side of the lower end face of the upper shaft body (1) are provided with second clamping grooves (21), the left side and the right side of each second clamping groove (21) are provided with first extrusion grooves (24), one ends, far away from the second clamping grooves (21), of the first extrusion grooves (24) are fixedly connected with second compression springs (20), the left side and the right side of the middle part of the upper shaft body (1) are provided with second extrusion grooves (25), the left side and the right side of the upper part of the upper shaft body (1) are provided with mounting grooves (23), the second extrusion grooves (25) are communicated with the mounting grooves (23), one ends, far away from the mounting grooves (23), of the second extrusion grooves (25) are fixedly connected with first compression springs (14), one ends, close to the mounting grooves (23), of the first compression springs (14) are fixedly connected with first limiting blocks (13), the first limiting blocks (13) are connected with extrusion sleeves (15) in a clamping manner, one sides, far away from the first limiting blocks (13), of the extrusion sleeves (15) are provided with sliding grooves (12), the lower end face of the upper shaft body (1) is connected with a lower shaft body (2) in a clamping mode, and a key groove (7) is formed in the middle of the lower shaft body (2).

2. A rigid coupling as set forth in claim 1 wherein: lower shaft body (2) up end left and right sides fixedly connected with fixture block (5), the fixture block (5) middle part left and right sides is equipped with first draw-in groove (6), one end fixedly connected with second stopper (8) that second pressure spring (20) are close to second draw-in groove (21), one end fixedly connected with haulage rope (19) that second pressure spring (20) are close to second stopper (8), it is equipped with staple (18) to go up the inside left and right sides of shaft body (1), haulage rope (19) with staple (18) swing joint, one end fixedly connected with pull ring (17) of second pressure spring (20) are kept away from to haulage rope (19), pull ring (17) with go up shaft body (1) sliding connection.

3. A rigid coupling as set forth in claim 1 wherein: the lower end face of the extrusion sleeve (15) is fixedly connected with an extrusion block (16), and a through hole (22) is formed in one side, close to the first pressure spring (14), of the extrusion sleeve (15).

4. A rigid coupling as set forth in claim 1 wherein: the improved expansion joint is characterized in that the sliding groove (12) is connected with a sliding block (11) in a sliding mode, the sliding block (11) is fixedly connected with a sleeve rod (10), the sleeve rod (10) is connected with a screw rod (9) in a transmission mode, an installation seat (4) is fixedly connected with the upper end face of the screw rod (9), and the installation seat (4) is rotatably connected with an expansion sleeve (3).

5. A rigid coupling according to claim 4, characterized in that: the inner cavity wall of the loop bar (10) is provided with threads corresponding to the screw rod (9).

6. A rigid coupling as set forth in claim 2 wherein: the hauling cable (19) is made of a nylon wire.